
import java.util.regex.*;
public class TestRegularExpression {
	public static void main(String[] args){
		if(args.length<2){
			System.out.println("Usage:\n java TestRegularExpression " +
					"characterSequence regularExpression+");
			System.exit(0);
		}
		System.out.println("Input: \""+args[0]+"\"");
		for(String arg:args){
			System.out.println("Regular expression:\""+arg+"\"");
			Pattern p = Pattern.compile(arg);
			Matcher m = p.matcher(args[0]);
			while(m.find()){
				System.out.println("Match\""+m.group()+"\"at positions" +
						m.start()+"-" + (m.end()-1));
			}
		}
	}
}
